From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Fri, 10 Nov 2017 14:04:42 +0000 (+0100)
Subject: ft scout landing gear support: longer rear stem
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=c587444c2d2a2d9fe330c20625c43635652ac7a8;p=things.git

ft scout landing gear support: longer rear stem
---

diff --git a/ft-scout-landing-gear-support.scad b/ft-scout-landing-gear-support.scad
index fe916a3..b24ed63 100644
--- a/ft-scout-landing-gear-support.scad
+++ b/ft-scout-landing-gear-support.scad
@@ -3,28 +3,31 @@ eps = 0.01;
 
 fuse_w = 40;
 gear_w = fuse_w - 16;
-gear_l = 25;
+gear_l = 30;
 spring_l = 6;
 
 base_w = fuse_w - 10;
-base_l = gear_l + 3.5;
+base_l = gear_l + 5;
 base_h = 0.5;
 base_beam_w = spring_l + 2;
 base_reinf_h = 1;
 base_reinf_w = 1;
 
-rear_spring_l = 3;
-rear_beam_w = rear_spring_l + 3;
+rear_spring_l = 2.5;
+rear_spring_rear_l = 6;
+rear_beam_w = rear_spring_l + 4;
 rear_spring_w = 3;
-rear_spring_bot_w = 7;
-rear_slot_w = 0.8;
+rear_spring_bot_w = 9;
+rear_slot_w = 1.2;
 
 side_spring_bot_w = 3.5;
 side_spring_w = 1.5;
 
 hook_wall = 1;
-hook_in = 1.5;
+hook_in = 1.7;
 hook_h = base_h + base_reinf_h/2;
+side_hook_angle = 7;
+side_hook_angle_cut = 17;
 
 module body() {
 	// wide beam
@@ -43,17 +46,24 @@ module body() {
 			cube([base_l - base_beam_w/2, base_reinf_w, base_reinf_h + eps]);
 	}
 
-	// rear hook
+	// rear hook - front part
 	hull() {
 		translate([gear_l-rear_spring_bot_w/2, -rear_spring_l/2, base_h])
-			cube([rear_spring_bot_w, rear_spring_l, eps]);
+			cube([rear_spring_bot_w/2-rear_slot_w/2, rear_spring_l, eps]);
 		translate([gear_l-rear_spring_w/2, -rear_spring_l/2, hook_h+hook_in+hook_wall-eps])
-			cube([rear_spring_w, rear_spring_l, eps]);
+			cube([rear_spring_w/2-rear_slot_w/2, rear_spring_l, eps]);
+	}
+	// rear hook - rear part
+	hull() {
+		translate([gear_l + rear_slot_w/2, -rear_spring_rear_l/2, base_h])
+			cube([rear_spring_bot_w/2-rear_slot_w/2, rear_spring_rear_l, eps]);
+		translate([gear_l + rear_slot_w/2, -rear_spring_rear_l/2, hook_h+hook_in+hook_wall-eps])
+			cube([rear_spring_w/2-rear_slot_w/2, rear_spring_rear_l, eps]);
 	}
 		
 	// side hooks
 	for (y = [-1, 1]) scale([1, y, 1]) intersection() {
-		translate([0, gear_w/2, eps]) rotate([0, 0, -20])
+		translate([0, gear_w/2, eps]) rotate([0, 0, -side_hook_angle])
 			translate([-10, 0, 0]) hull() {
 			cube([20, side_spring_bot_w, base_h-eps]);
 			cube([20, side_spring_w, hook_h + hook_in + hook_wall-eps]);
@@ -62,8 +72,8 @@ module body() {
 		translate([0, -base_w/2, base_h/2])
 			cube([base_beam_w, base_w, infty]);
 		// cut the front sides
-		translate([0, gear_w/2 + 0.8, eps])
-		rotate([0, 0, -30])
+		translate([0, gear_w/2 + 1.25, eps])
+		rotate([0, 0, -side_hook_angle_cut])
 			translate([-5, 0, 0])
 			cube(20);
 			
@@ -78,12 +88,12 @@ difference() {
 	translate([0, 0, -rear_beam_w/2-eps])
 		cylinder(h = rear_beam_w+2*eps, r = hook_in/2, $fn = 6);
 	// rear slot above the hole
-	translate([gear_l-rear_slot_w/2, -rear_beam_w/2+eps, hook_h+hook_in/2])
-		cube([rear_slot_w, rear_beam_w+2*eps, infty]);
+	// translate([gear_l-rear_slot_w/2, -rear_beam_w/2+eps, hook_h+hook_in/2])
+	// 	cube([rear_slot_w, rear_beam_w+2*eps, infty]);
 	// side slots
 	for (y = [-1, 1]) scale([1, y, 1]) {
 		translate([0, gear_w/2, hook_h+hook_in/2]) {
-			rotate([0, 90, -20])
+			rotate([0, 90, -side_hook_angle])
 			translate([0, 0, -10])
 			cylinder(r = hook_in/2, h = 20, $fn = 6);
 		}